That iOS 5 video? Here's why it's fake. — We've examined the video that began making the rounds just a few hours ago, seemingly displaying an internal build of iOS 5. We think that the phone is most likely an internal prototype of the white iPhone 4, but iOS 5 it isn't.

Look Out Skype! T-Mobile Powers Facebook VoIP — T-Mobile today announced its new Bobsled brand, which will be a carrier-agnostic set of products, the first of which is a Facebook voice chat application. Bobsled is powered by Vivox, a VoIP solutions company that has offered voice chat in video games and within Facebook since 2009.

In Silicon Valley, Investors Are Jockeying Like It's 1999 — MENLO PARK, Calif.—Travis Kalanick is the founder of a start-up that lets people order up a car service from a cellphone. Recently, the 34-year-old found himself in the driver's seat. — Several major venture-capital firms were vying to fund Uber, his fledgling company.

Five Reasons Why Twitter Will Kill TweetDeck — Editor's note: The following guest post is written by Mrinal Desai, co-founder of CrossLoop and addappt. You can follow him on Twitter. — On reading today's report by the Wall Street Journal that Twitter is in talks to buy TweetDeck …

Get Ready: Grooveshark Promises a Fight to the Finish... The following is an open letter to the music industry from Grooveshark, shared exclusively with Digital Music News. The letter was prompted by the recent removal of the Grooveshark app from the Android Market, though it also addresses broader concerns and challenges.

T-Mobile G-Slate review — The tablet wars are building, petty disputes that will soon lead to bloodshed. Products will be launched into battle only to be gunned down straight out of their boxes, crying for their fabricators as bigger, faster, better slates step over the stricken chassis …

Exclusive: Wal-Mart Paid $300 Million-Plus for Kosmix — According to sources close to the situation, Wal-Mart Stores paid just over $300 million for Kosmix. — The six-year-old Mountain View, Calif.-based company-which has built a social media platform that organizes content by topic …

Google plants $100 million in giant wind farm — The Shepherds Flat wind farm is expected to be fully operational in 2012 and supply 235,000 average U.S. homes. — Google today said that it will invest about $100 million in the very large Shepherd's Flat wind project in Oregon …